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1 entry under negation topic. ×

5
don't know(formal, verb, nescience)
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APASmart Define. (1970). couldn't say thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/couldn%27t_say/thesaurus/synonyms
ChicagoSmart Define. 1970. "couldn't say thesaurus" https://smartdefine.org/couldn%27t_say/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 1970, couldn't say thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/couldn%27t_say/thesaurus/synonyms>.
MLASmart Define. "couldn't say thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/couldn%27t_say/thesaurus/synonyms>